/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.hadoop.fs.impl.prefetch;

import java.util.concurrent.TimeUnit;

/**
 * Constants used by prefetch implementations.
 */
public final class PrefetchConstants {

  private PrefetchConstants() {
  }

  /**
   * Timeout to be used by close, while acquiring prefetch block write lock.
   * Value = {@value PREFETCH_WRITE_LOCK_TIMEOUT}
   */
  static final int PREFETCH_WRITE_LOCK_TIMEOUT = 5;

  /**
   * Lock timeout unit to be used by the thread while acquiring prefetch block write lock.
   * Value = {@value PREFETCH_WRITE_LOCK_TIMEOUT_UNIT}
   */
  static final TimeUnit PREFETCH_WRITE_LOCK_TIMEOUT_UNIT = TimeUnit.SECONDS;

}
